Rinrin may refer to:
People Qian Lin (born 1991), Chinese singer better known in Japan as Lin Lin, sometimes romanized as Rinrin Rintaro Tokunaga (born 1987), Japanese professional basketball player RinRin Doll (born 1988), American model and blogger based in Japan Rinrin Marinka (Maria Irene Susanto, born 1980), Indonesian chef and restaurateur Rinrin & Ranran, a musical duo in Japan and Hong Kong in the 1970s
Fictional characters Rin Rin the tadpole, a stock character of Colombian poet Rafael Pombo Rinrin, in the Anpanman Japanese children's superhero picture book series Rinrin, in the light novel series Sister Princess Rinrin, in the manga Keijo Rinrin, in the manga By the Sword (manga) Rinrin Takahashi, in the manga Trillion Game Rinrin, in Koihime Musō visual novel and anime series Rinrin, a fictional idol group in the video for "Netsuai Hakkakuchū" Kagamine Rin, a Vocaloid software voicebank developed by Crypton Future Media.